Which of the Following Statements Is True When Considering Experimental

question 23

Multiple Choice

Which of the following statements is true when considering experimental versus non-experimental designs?

• A)It is difficult in descriptive studies to establish the prior equivalence of the respondent groups with respect to both the independent and dependent variables.However,experiments can establish this equivalence.
• B)Descriptive research offers little control over other possible causal factors.
• C)In descriptive research,it is also difficult to establish time order of occurrence of variables.However,in an experiment,the researcher controls the timing of the measurements and the introduction of the treatment.
• D)All of the above statements are correct.

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Definitions:

Gene Pool

All the alleles of all the genes in a population; a pool of genetic resources.

Bottleneck Effect

A sharp reduction in the size of a population due to environmental events or human activities, resulting in a decrease in genetic diversity.

Gene Pool

The complete set of unique genes within a population or species, constituting the genetic diversity that can be passed through reproduction.